<template>
  <div class="login" :style="'background-image:url('+ Background +');'">
    <div class="main">
      <h3 class="title">
        云亮教育积分管理系统
      </h3>
      <el-tabs v-model="activeName" @tab-click="handleClick">
        <el-tab-pane label="短信登录" name="second">
          <el-form
            ref="loginSmsForm"
            :model="loginSmsForm"
            :rules="loginSmsRules"
            label-position="left"
            label-width="0px"
            class="login-form"
          >
            <el-form-item prop="phone">
              <el-input v-model="loginSmsForm.phone" type="number" auto-complete="off" placeholder="手机号码">
                <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <el-form-item prop="phoneCode">
              <el-input
                v-model="loginSmsForm.phoneCode"
                auto-complete="off"
                placeholder="手机验证码"
                style="width: 67%"
                type="number"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
              </el-input>
              <el-button
                style="height: 38px;"
                :disabled="clickable"
                @click="getSmsCode"
              >{{ codeText }}</el-button>
            </el-form-item>
            <el-form-item prop="smsCode">
              <el-input
                v-model="loginSmsForm.smsCode"
                auto-complete="off"
                placeholder="验证码"
                style="width: 63%"
                type="number"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
              </el-input>
              <div class="login-code">
                <img :src="codeUrl" @click="getCode">
              </div>
            </el-form-item>
            <el-form-item v-if="false" prop="type">
              <el-input
                v-model="loginSmsForm.type"
                auto-complete="off"
                placeholder="验证码"
                style="width: 63%"
                type="number"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <el-checkbox v-model="loginForm.rememberMe" style="margin:0 0 25px 0;" disabled>
              记住我
            </el-checkbox>
            <el-form-item style="width:100%;">
              <el-button
                :loading="loading"
                size="medium"
                type="primary"
                style="width:100%;"
                @click.native.prevent="handleSmsLogin"
              >
                <span v-if="!loading">登 录</span>
                <span v-else>登 录 中...</span>
              </el-button>
            </el-form-item>
          </el-form>
        </el-tab-pane>
        <el-tab-pane label="密码登录" name="first">
          <el-form
            ref="loginForm"
            :model="loginForm"
            :rules="loginRules"
            label-position="left"
            label-width="0px"
            class="login-form"
          >

            <el-form-item prop="username">
              <el-input
                v-model="loginForm.username"
                auto-complete="off"
                placeholder="用户名"
                oninput="value=value.replace(/[\W]/g,'')"
              >
                <svg-icon
                  slot="prefix"
                  icon-class="user"
                  class="el-input__icon input-icon"
                />
              </el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input
                v-model="loginForm.password"
                type="password"
                auto-complete="off"
                placeholder="密码"
                :maxlength="25"
                :controls="false"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <el-form-item prop="code">
              <el-input
                v-model="loginForm.code"
                auto-complete="off"
                placeholder="验证码"
                style="width: 63%"
                type="number"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
              </el-input>
              <div class="login-code">
                <img :src="codeUrl" @click="getCode">
              </div>
            </el-form-item>
            <el-checkbox v-model="loginForm.rememberMe" style="margin:0 0 25px 0;">
              记住我
            </el-checkbox>
            <el-form-item style="width:100%;">
              <el-button
                :loading="loading"
                size="medium"
                type="primary"
                style="width:100%;"
                @click.native.prevent="handleLogin"
              >
                <span v-if="!loading">登 录</span>
                <span v-else>登 录 中...</span>
              </el-button>
            </el-form-item>
          </el-form>
        </el-tab-pane>
      </el-tabs>

      <!--  底部  -->
      <div v-if="$store.state.settings.showFooter" id="el-login-footer">
        <span v-html="$store.state.settings.footerTxt" />
        <span> ⋅ </span>
        <a href="http://www.beian.miit.gov.cn" target="_blank">{{ $store.state.settings.caseNumber }}</a>
      </div>
    </div>
  </div>
</template>

<script>
import { encrypt } from '@/utils/rsaEncrypt'
import Config from '@/settings'
import { getCodeImg, getSmsCode } from '@/api/login'
import Cookies from 'js-cookie'
import Background from '@/assets/images/background.png'
import { Notification } from 'element-ui'

export default {
  name: 'Login',
  data() {
    // const validatePhone = (rule, value, callback) => {
    //   const reg = /^[1][3,4,5,7,8][0-9]{9}$/
    //   if (value === '' || value === undefined || value == null) {
    //     callback(new Error('手机号码不能为空'))
    //   } else {
    //     if ((!reg.test(value)) && value !== '') {
    //       callback(new Error('请输入正确的手机号码'))
    //     } else {
    //       callback()
    //     }
    //   }
    // }
    return {
      Background: Background,
      codeUrl: '',
      cookiePass: '',
      activeName: 'second',
      loginForm: {
        username: '',
        password: '',
        rememberMe: false,
        code: '',
        uuid: '',
        type: ''
      },
      loginSmsForm: {
        phone: '',
        phoneCode: '',
        rememberMe: false,
        smsCode: '',
        uuid: '',
        type: '2'
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', message: '用户名不能为空' }],
        password: [{ required: true, trigger: 'blur', message: '密码不能为空' }],
        code: [{ required: true, trigger: 'change', message: '验证码不能为空' }]
      },
      loginSmsRules: {
        // phone: [{ required: true, trigger: 'blur', validator: validatePhone }],
        phone: [{ required: true, trigger: 'blur', message: '手机号码不能为空' }],
        phoneCode: [{ required: true, trigger: 'blur', message: '手机验证码不能为空' }],
        smsCode: [{ required: true, trigger: 'change', message: '验证码不能为空' }]
      },
      loading: false,
      redirect: undefined,
      clickable: false,
      codeText: '获取验证码',
      timer: null
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    // 获取验证码
    this.getCode()
    // 获取用户名密码等Cookie
    this.getCookie()
    // token 过期提示
    this.point()
  },
  destroyed() {
    clearInterval(this.timer)
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.codeUrl = res.img
        this.loginForm.uuid = res.uuid
      })
    },
    getSmsCode() {
      const that = this
      // 输入手机号码才能获取验证码
      if (!this.loginSmsForm.phone) {
        Notification.error('请输入手机号码')
        return
      }
      const reg = /^[1][3,4,5,7,8,9][0-9]{9}$/
      if (!reg.test(this.loginSmsForm.phone)) {
        Notification.error('请输入正确的手机号码')
        return
      }
      getSmsCode({ phone: this.loginSmsForm.phone, type: 1 }).then(res => {
        var time = 60
        that.clickable = true
        that.timer = setInterval(() => {
          if (time === 0) {
            that.clickable = false
            that.codeText = '获取验证码'
            clearInterval(that.timer)
            return
          }
          time--
          that.codeText = time + 's'
        }, 1000)
        Notification.success('短信发送成功,5分钟之内有效')
      }).catch(err => {
        clearInterval(that.timer)
        that.clickable = false
      })
    },
    handleClick(tab, event) {
    },
    getCookie() {
      const username = Cookies.get('username')
      let password = Cookies.get('password')
      const rememberMe = Cookies.get('rememberMe')
      // 保存cookie里面的加密后的密码
      this.cookiePass = password === undefined ? '' : password
      password = password === undefined ? this.loginForm.password : password
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password,
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
        code: ''
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        const user = {
          username: this.loginForm.username,
          password: this.loginForm.password,
          rememberMe: this.loginForm.rememberMe,
          code: this.loginForm.code,
          uuid: this.loginForm.uuid,
          type: this.loginForm.type
        }
        if (user.password !== this.cookiePass) {
          user.password = encrypt(user.password)
        }
        if (valid) {
          this.loading = true
          if (user.rememberMe) {
            Cookies.set('username', user.username, { expires: Config.passCookieExpires })
            Cookies.set('password', user.password, { expires: Config.passCookieExpires })
            Cookies.set('rememberMe', user.rememberMe, { expires: Config.passCookieExpires })
          } else {
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          this.$store.dispatch('Login', user).then(() => {
            this.loading = false
            this.$router.push({ path: this.redirect || '/' })
          }).catch(() => {
            this.loading = false
            this.getCode()
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    handleSmsLogin() {
      this.$refs.loginSmsForm.validate(valid => {
        const user = {
          username: this.loginSmsForm.phone,
          password: this.loginSmsForm.phoneCode,
          rememberMe: this.loginSmsForm.rememberMe,
          code: this.loginSmsForm.smsCode,
          uuid: this.loginForm.uuid,
          type: 2
        }
        if (user.password !== this.cookiePass) {
          user.password = user.password
        }
        if (valid) {
          this.loading = true
          if (user.rememberMe) {
            Cookies.set('username', user.username, { expires: Config.passCookieExpires })
            Cookies.set('password', user.password, { expires: Config.passCookieExpires })
            Cookies.set('rememberMe', user.rememberMe, { expires: Config.passCookieExpires })
          } else {
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          this.$store.dispatch('Login', user).then(() => {
            this.loading = false
            this.$router.push({ path: this.redirect || '/' })
          }).catch(() => {
            this.loading = false
            this.getCode()
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    point() {
      const point = Cookies.get('point') !== undefined
      if (point) {
        this.$notify({
          title: '提示',
          message: '当前登录状态已过期，请重新登录！',
          type: 'warning',
          duration: 5000
        })
        Cookies.remove('point')
      }
    }
  }
}
</script>
<style rel="stylesheet/scss" lang="scss" >
.login {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-size: cover;

}

.main {
  background: #ffffff;
  border-radius: 10px;
  padding: 20px 20px;
  margin-bottom: 100px;
  box-shadow: 1px 2px 6px rgba(100,100,100,.5);

}

.title {
  margin: 0 auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 385px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }

  /** 去除input输入框样式 */
  input[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;
  }
  // input::-webkit-outer-spin-button,input::-webkit-inner-spin-button{
  //     -webkit-appearance:textfield;
  // }
  input[type="number"]{
      -moz-appearance:textfield;
  }

  .el-input-number.is-without-controls .el-input__inner {
    text-align: left;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  display: inline-block;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle
  }
}

</style>
